AGESA: Call get_bus_conf() just once

Instead of calling get_bus_conf() three times from write_tables()
and executing it once, just make one call before entering write_tables().

Change-Id: I818e37128cb0fb5eaded3c1e00b6b146c1267647
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6133
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

36 files changed, 0 insertions, 128 deletions

diff --git a/src/mainboard/amd/dinar/acpi_tables.c b/src/mainboard/amd/dinar/acpi_tables.c
index 44b6306e23..5ec2d7461f 100644
--- a/src/mainboard/amd/dinar/acpi_tables.c
+++ b/src/mainboard/amd/dinar/acpi_tables.c
@@ -173,8 +173,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *alib;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/dinar/get_bus_conf.c b/src/mainboard/amd/dinar/get_bus_conf.c
index a4d627b8ac..e93ca84a02 100644
--- a/src/mainboard/amd/dinar/get_bus_conf.c
+++ b/src/mainboard/amd/dinar/get_bus_conf.c
@@ -59,21 +59,11 @@ u32 bus_type[256];
 u32 sbdn_sb700;
 u32 sbdn_rd890;
 
-static u32 get_bus_conf_done = 0;
-
-
-
-
 void get_bus_conf(void)
 {
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;   /* do it only once */
-
-	get_bus_conf_done = 1;
-
 	printk(BIOS_DEBUG, "Mainboard - Get_bus_conf.c - get_bus_conf - Start.\n");
 
 	sbdn_sb700 = 0;
diff --git a/src/mainboard/amd/dinar/irq_tables.c b/src/mainboard/amd/dinar/irq_tables.c
index 5ee4de060c..0000111068 100644
--- a/src/mainboard/amd/dinar/irq_tables.c
+++ b/src/mainboard/amd/dinar/irq_tables.c
@@ -58,10 +58,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/dinar/mptable.c b/src/mainboard/amd/dinar/mptable.c
index 5f9e83bdac..65304e132d 100644
--- a/src/mainboard/amd/dinar/mptable.c
+++ b/src/mainboard/amd/dinar/mptable.c
@@ -48,7 +48,6 @@ static void *smp_write_config_table(void *v)
 	mptable_init(mc, LOCAL_APIC_ADDR);
 
 	smp_write_processors(mc);
-	get_bus_conf();
 	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/*
diff --git a/src/mainboard/amd/inagua/acpi_tables.c b/src/mainboard/amd/inagua/acpi_tables.c
index 227a49bf42..588345e6eb 100644
--- a/src/mainboard/amd/inagua/acpi_tables.c
+++ b/src/mainboard/amd/inagua/acpi_tables.c
@@ -133,8 +133,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *alib;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/inagua/get_bus_conf.c b/src/mainboard/amd/inagua/get_bus_conf.c
index 8ab41d102d..ac72b48110 100644
--- a/src/mainboard/amd/inagua/get_bus_conf.c
+++ b/src/mainboard/amd/inagua/get_bus_conf.c
@@ -49,9 +49,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_sb800;
 
-static u32 get_bus_conf_done = 0;
-
-
 void get_bus_conf(void)
 {
 	u32 apicid_base;
@@ -59,10 +56,6 @@ void get_bus_conf(void)
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;   /* do it only once */
-
-	get_bus_conf_done = 1;
 
 	sbdn_sb800 = 0;
 
diff --git a/src/mainboard/amd/inagua/irq_tables.c b/src/mainboard/amd/inagua/irq_tables.c
index 0fc634961f..1318d4d510 100644
--- a/src/mainboard/amd/inagua/irq_tables.c
+++ b/src/mainboard/amd/inagua/irq_tables.c
@@ -59,10 +59,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/inagua/mptable.c b/src/mainboard/amd/inagua/mptable.c
index 73522050ff..d2f850665c 100644
--- a/src/mainboard/amd/inagua/mptable.c
+++ b/src/mainboard/amd/inagua/mptable.c
@@ -60,8 +60,6 @@ static void *smp_write_config_table(void *v)
 
 	smp_write_processors(mc);
 
-	get_bus_conf();
-
 	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/* I/O APICs:   APIC ID Version State   Address */
diff --git a/src/mainboard/amd/olivehill/acpi_tables.c b/src/mainboard/amd/olivehill/acpi_tables.c
index ac5a890dcc..07fad8eb1e 100644
--- a/src/mainboard/amd/olivehill/acpi_tables.c
+++ b/src/mainboard/amd/olivehill/acpi_tables.c
@@ -138,8 +138,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *ivrs;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/olivehill/get_bus_conf.c b/src/mainboard/amd/olivehill/get_bus_conf.c
index 3addc97cf4..f1643a43a7 100644
--- a/src/mainboard/amd/olivehill/get_bus_conf.c
+++ b/src/mainboard/amd/olivehill/get_bus_conf.c
@@ -48,7 +48,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_yangtze;
 
-static u32 get_bus_conf_done = 0;
 
 void get_bus_conf(void)
 {
@@ -58,10 +57,6 @@ void get_bus_conf(void)
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;   /* do it only once */
-
-	get_bus_conf_done = 1;
 
 	dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */
 	pci_write_config32(dev, 0xF8, 0);
diff --git a/src/mainboard/amd/olivehill/irq_tables.c b/src/mainboard/amd/olivehill/irq_tables.c
index c14fd49cf0..bea6eb2ed3 100644
--- a/src/mainboard/amd/olivehill/irq_tables.c
+++ b/src/mainboard/amd/olivehill/irq_tables.c
@@ -57,8 +57,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/olivehill/mptable.c b/src/mainboard/amd/olivehill/mptable.c
index adf3b6cf14..3ccb9100c9 100644
--- a/src/mainboard/amd/olivehill/mptable.c
+++ b/src/mainboard/amd/olivehill/mptable.c
@@ -84,8 +84,6 @@ static void *smp_write_config_table(void *v)
 
 	smp_write_processors(mc);
 
-	get_bus_conf();
-
 	//mptable_write_buses(mc, NULL, &bus_isa);
 	my_smp_write_bus(mc, 0, "PCI   ");
 	my_smp_write_bus(mc, 1, "PCI   ");
diff --git a/src/mainboard/amd/parmer/acpi_tables.c b/src/mainboard/amd/parmer/acpi_tables.c
index eb6b419655..503ba48498 100644
--- a/src/mainboard/amd/parmer/acpi_tables.c
+++ b/src/mainboard/amd/parmer/acpi_tables.c
@@ -134,8 +134,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *ivrs;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/parmer/get_bus_conf.c b/src/mainboard/amd/parmer/get_bus_conf.c
index ce5276fb52..4c4777f0dc 100644
--- a/src/mainboard/amd/parmer/get_bus_conf.c
+++ b/src/mainboard/amd/parmer/get_bus_conf.c
@@ -48,7 +48,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_hudson;
 
-static u32 get_bus_conf_done = 0;
 
 void get_bus_conf(void)
 {
@@ -57,10 +56,6 @@ void get_bus_conf(void)
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;   /* do it only once */
-
-	get_bus_conf_done = 1;
 
 
 	sbdn_hudson = 0;
diff --git a/src/mainboard/amd/parmer/irq_tables.c b/src/mainboard/amd/parmer/irq_tables.c
index 6f907e2ae1..20fbb5d263 100644
--- a/src/mainboard/amd/parmer/irq_tables.c
+++ b/src/mainboard/amd/parmer/irq_tables.c
@@ -57,8 +57,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/parmer/mptable.c b/src/mainboard/amd/parmer/mptable.c
index 3484289346..0980063727 100644
--- a/src/mainboard/amd/parmer/mptable.c
+++ b/src/mainboard/amd/parmer/mptable.c
@@ -84,8 +84,6 @@ static void *smp_write_config_table(void *v)
 
 	smp_write_processors(mc);
 
-	get_bus_conf();
-
 	//mptable_write_buses(mc, NULL, &bus_isa);
 	my_smp_write_bus(mc, 0, "PCI   ");
 	my_smp_write_bus(mc, 1, "PCI   ");
diff --git a/src/mainboard/amd/persimmon/acpi_tables.c b/src/mainboard/amd/persimmon/acpi_tables.c
index 227a49bf42..588345e6eb 100644
--- a/src/mainboard/amd/persimmon/acpi_tables.c
+++ b/src/mainboard/amd/persimmon/acpi_tables.c
@@ -133,8 +133,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *alib;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/persimmon/get_bus_conf.c b/src/mainboard/amd/persimmon/get_bus_conf.c
index 15b19896ae..c8369e1cde 100644
--- a/src/mainboard/amd/persimmon/get_bus_conf.c
+++ b/src/mainboard/amd/persimmon/get_bus_conf.c
@@ -51,8 +51,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_sb800;
 
-static u32 get_bus_conf_done = 0;
-
 void get_bus_conf(void)
 {
 	u32 apicid_base;
@@ -60,10 +58,6 @@ void get_bus_conf(void)
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;	 /* do it only once */
-
-	get_bus_conf_done = 1;
 
 	sbdn_sb800 = 0;
 
diff --git a/src/mainboard/amd/persimmon/irq_tables.c b/src/mainboard/amd/persimmon/irq_tables.c
index b8c211ac58..dbbb2afddf 100644
--- a/src/mainboard/amd/persimmon/irq_tables.c
+++ b/src/mainboard/amd/persimmon/irq_tables.c
@@ -59,10 +59,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/persimmon/mptable.c b/src/mainboard/amd/persimmon/mptable.c
index 2c2ec06bff..780bb2c905 100644
--- a/src/mainboard/amd/persimmon/mptable.c
+++ b/src/mainboard/amd/persimmon/mptable.c
@@ -56,9 +56,6 @@ static void *smp_write_config_table(void *v)
 	 */
 	smp_write_processors(mc);
 
-	/* Get Bus Configuration */
-	get_bus_conf();
-
 	/*
 	 * Type 1: Bus Entries:
 	 * Bus ID, Bus Type
diff --git a/src/mainboard/amd/south_station/acpi_tables.c b/src/mainboard/amd/south_station/acpi_tables.c
index 227a49bf42..588345e6eb 100644
--- a/src/mainboard/amd/south_station/acpi_tables.c
+++ b/src/mainboard/amd/south_station/acpi_tables.c
@@ -133,8 +133,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *alib;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/south_station/get_bus_conf.c b/src/mainboard/amd/south_station/get_bus_conf.c
index 6a3d23250c..7eedcba821 100644
--- a/src/mainboard/amd/south_station/get_bus_conf.c
+++ b/src/mainboard/amd/south_station/get_bus_conf.c
@@ -49,9 +49,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_sb800;
 
-static u32 get_bus_conf_done = 0;
-
-
 void get_bus_conf(void)
 {
   u32 apicid_base;
@@ -59,10 +56,6 @@ void get_bus_conf(void)
   device_t dev;
   int i, j;
 
-  if (get_bus_conf_done == 1)
-    return;   /* do it only once */
-
-  get_bus_conf_done = 1;
 
   sbdn_sb800 = 0;
 
diff --git a/src/mainboard/amd/south_station/irq_tables.c b/src/mainboard/amd/south_station/irq_tables.c
index b8c211ac58..dbbb2afddf 100644
--- a/src/mainboard/amd/south_station/irq_tables.c
+++ b/src/mainboard/amd/south_station/irq_tables.c
@@ -59,10 +59,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/south_station/mptable.c b/src/mainboard/amd/south_station/mptable.c
index e9175d8d26..f266b4fcd7 100644
--- a/src/mainboard/amd/south_station/mptable.c
+++ b/src/mainboard/amd/south_station/mptable.c
@@ -56,8 +56,6 @@ static void *smp_write_config_table(void *v)
 
   smp_write_processors(mc);
 
-  get_bus_conf();
-
   mptable_write_buses(mc, NULL, &bus_isa);
 
   /* I/O APICs:   APIC ID Version State   Address */
diff --git a/src/mainboard/amd/thatcher/acpi_tables.c b/src/mainboard/amd/thatcher/acpi_tables.c
index eb6b419655..503ba48498 100644
--- a/src/mainboard/amd/thatcher/acpi_tables.c
+++ b/src/mainboard/amd/thatcher/acpi_tables.c
@@ -134,8 +134,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *ivrs;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/thatcher/get_bus_conf.c b/src/mainboard/amd/thatcher/get_bus_conf.c
index ce5276fb52..d4a565480c 100644
--- a/src/mainboard/amd/thatcher/get_bus_conf.c
+++ b/src/mainboard/amd/thatcher/get_bus_conf.c
@@ -48,7 +48,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_hudson;
 
-static u32 get_bus_conf_done = 0;
 
 void get_bus_conf(void)
 {
@@ -57,12 +56,6 @@ void get_bus_conf(void)
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;   /* do it only once */
-
-	get_bus_conf_done = 1;
-
-
 	sbdn_hudson = 0;
 
 	memset(bus_hudson, 0, sizeof(bus_hudson));
diff --git a/src/mainboard/amd/thatcher/irq_tables.c b/src/mainboard/amd/thatcher/irq_tables.c
index 6f907e2ae1..20fbb5d263 100644
--- a/src/mainboard/amd/thatcher/irq_tables.c
+++ b/src/mainboard/amd/thatcher/irq_tables.c
@@ -57,8 +57,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/thatcher/mptable.c b/src/mainboard/amd/thatcher/mptable.c
index 32133951ad..3269089edc 100644
--- a/src/mainboard/amd/thatcher/mptable.c
+++ b/src/mainboard/amd/thatcher/mptable.c
@@ -84,8 +84,6 @@ static void *smp_write_config_table(void *v)
 
 	smp_write_processors(mc);
 
-	get_bus_conf();
-
 	//mptable_write_buses(mc, NULL, &bus_isa);
 	my_smp_write_bus(mc, 0, "PCI   ");
 	my_smp_write_bus(mc, 1, "PCI   ");
diff --git a/src/mainboard/amd/torpedo/acpi_tables.c b/src/mainboard/amd/torpedo/acpi_tables.c
index c3595630c6..b916bce898 100644
--- a/src/mainboard/amd/torpedo/acpi_tables.c
+++ b/src/mainboard/amd/torpedo/acpi_tables.c
@@ -121,8 +121,6 @@ unsigned long write_acpi_tables(unsigned long start)
   acpi_header_t *ssdt;
   acpi_hest_t *hest;
 
-  get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
   /* Align ACPI tables to 16 bytes */
   start = ALIGN(start, 16);
   current = start;
diff --git a/src/mainboard/amd/torpedo/get_bus_conf.c b/src/mainboard/amd/torpedo/get_bus_conf.c
index 5404941c10..36613f706c 100644
--- a/src/mainboard/amd/torpedo/get_bus_conf.c
+++ b/src/mainboard/amd/torpedo/get_bus_conf.c
@@ -54,19 +54,11 @@ u32 bus_type[256];
 
 u32 sbdn_sb900;
 
-
-static u32 get_bus_conf_done = 0;
-
 void get_bus_conf(void)
 {
 	device_t dev;
 	int i, j;
 
-	if (get_bus_conf_done == 1)
-		return;		/* do it only once */
-
-	get_bus_conf_done = 1;
-
 	printk(BIOS_DEBUG, "Mainboard - %s - %s - Start.\n", __FILE__, __func__);
 
 	sbdn_sb900 = 0;
diff --git a/src/mainboard/amd/torpedo/irq_tables.c b/src/mainboard/amd/torpedo/irq_tables.c
index 302780284f..53cf6fa9c0 100644
--- a/src/mainboard/amd/torpedo/irq_tables.c
+++ b/src/mainboard/amd/torpedo/irq_tables.c
@@ -60,10 +60,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/torpedo/mptable.c b/src/mainboard/amd/torpedo/mptable.c
index 24e48d119c..ae00cf76fd 100644
--- a/src/mainboard/amd/torpedo/mptable.c
+++ b/src/mainboard/amd/torpedo/mptable.c
@@ -104,8 +104,6 @@ static void *smp_write_config_table(void *v)
       cpu_flag, cpu_features, cpu_feature_flags
     );
 
-  get_bus_conf();
-
   //mptable_write_buses(mc, NULL, &bus_isa);
   my_smp_write_bus(mc, 0, "PCI   ");
   my_smp_write_bus(mc, 1, "PCI   ");
diff --git a/src/mainboard/amd/union_station/acpi_tables.c b/src/mainboard/amd/union_station/acpi_tables.c
index 227a49bf42..588345e6eb 100644
--- a/src/mainboard/amd/union_station/acpi_tables.c
+++ b/src/mainboard/amd/union_station/acpi_tables.c
@@ -133,8 +133,6 @@ unsigned long write_acpi_tables(unsigned long start)
 	acpi_header_t *alib;
 	acpi_hest_t *hest;
 
-	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
-
 	/* Align ACPI tables to 16 bytes */
 	start = ALIGN(start, 16);
 	current = start;
diff --git a/src/mainboard/amd/union_station/get_bus_conf.c b/src/mainboard/amd/union_station/get_bus_conf.c
index 6a3d23250c..7eedcba821 100644
--- a/src/mainboard/amd/union_station/get_bus_conf.c
+++ b/src/mainboard/amd/union_station/get_bus_conf.c
@@ -49,9 +49,6 @@ u32 pci1234x[] = {
 u32 bus_type[256];
 u32 sbdn_sb800;
 
-static u32 get_bus_conf_done = 0;
-
-
 void get_bus_conf(void)
 {
   u32 apicid_base;
@@ -59,10 +56,6 @@ void get_bus_conf(void)
   device_t dev;
   int i, j;
 
-  if (get_bus_conf_done == 1)
-    return;   /* do it only once */
-
-  get_bus_conf_done = 1;
 
   sbdn_sb800 = 0;
 
diff --git a/src/mainboard/amd/union_station/irq_tables.c b/src/mainboard/amd/union_station/irq_tables.c
index b8c211ac58..dbbb2afddf 100644
--- a/src/mainboard/amd/union_station/irq_tables.c
+++ b/src/mainboard/amd/union_station/irq_tables.c
@@ -59,10 +59,6 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	u8 sum = 0;
 	int i;
 
-
-	get_bus_conf();		/* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
-
-
 	/* Align the table to be 16 byte aligned. */
 	addr += 15;
 	addr &= ~15;
diff --git a/src/mainboard/amd/union_station/mptable.c b/src/mainboard/amd/union_station/mptable.c
index e9175d8d26..f266b4fcd7 100644
--- a/src/mainboard/amd/union_station/mptable.c
+++ b/src/mainboard/amd/union_station/mptable.c
@@ -56,8 +56,6 @@ static void *smp_write_config_table(void *v)
 
   smp_write_processors(mc);
 
-  get_bus_conf();
-
   mptable_write_buses(mc, NULL, &bus_isa);
 
   /* I/O APICs:   APIC ID Version State   Address */